Literatura académica sobre el tema "Quantum Dots - SiOx Matrix"
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Artículos de revistas sobre el tema "Quantum Dots - SiOx Matrix"
Han, Li Hao, Jing Wang y Ren Rong Liang. "Germanium-Silicon Quantum Dots Produced by Pulsed Laser Deposition for Photovoltaic Applications". Advanced Materials Research 383-390 (noviembre de 2011): 6270–76. http://dx.doi.org/10.4028/www.scientific.net/amr.383-390.6270.
Texto completoZhang, X. H., Soo Jin Chua, A. M. Yong, S. Y. Chow, H. Y. Yang, S. P. Lau, S. F. Yu y X. W. Sun. "Fabrication and Optical Properties of ZnO Quantum Dots". Advanced Materials Research 31 (noviembre de 2007): 71–73. http://dx.doi.org/10.4028/www.scientific.net/amr.31.71.
Texto completoYazicioglu, Deniz, Sebastian Gutsch y Margit Zacharias. "(Invited) Size Controlled Silicon Quantum Dots: Understanding Basic Properties and Electronic Applications". ECS Meeting Abstracts MA2022-01, n.º 20 (7 de julio de 2022): 1077. http://dx.doi.org/10.1149/ma2022-01201077mtgabs.
Texto completoZhang, X. H., S. J. Chua, A. M. Yong, S. Y. Chow, H. Y. Yang, S. P. Lau y S. F. Yu. "Exciton radiative lifetime in ZnO quantum dots embedded in SiOx matrix". Applied Physics Letters 88, n.º 22 (29 de mayo de 2006): 221903. http://dx.doi.org/10.1063/1.2207848.
Texto completoHuang, Jie, Jian Liang Jiang y Abdelkader Sabeur. "Application of Finite Difference Method in Modeling Quantum Dot Superlattice Silicon Tandem Solar Cell". Advanced Materials Research 898 (febrero de 2014): 249–52. http://dx.doi.org/10.4028/www.scientific.net/amr.898.249.
Texto completoKuryliuk, Vasyl, Andriy Nadtochiy, Oleg Korotchenkov, Chin-Chi Wang y Pei-Wen Li. "A model for predicting the thermal conductivity of SiO2–Ge nanoparticle composites". Physical Chemistry Chemical Physics 17, n.º 20 (2015): 13429–41. http://dx.doi.org/10.1039/c5cp00129c.
Texto completoYi, Dong Kee. "Synthesis and Applications of Crack-Free SiO2 Monolith Containing CdSe/ZnS Quantum Dots as Passive Lighting Sources". Journal of Nanoscience and Nanotechnology 8, n.º 9 (1 de septiembre de 2008): 4538–42. http://dx.doi.org/10.1166/jnn.2008.ic46.
Texto completoSamanta, Arup y Debajyoti Das. "Effect of RF power on the formation and size evolution of nC-Si quantum dots in an amorphous SiOx matrix". Journal of Materials Chemistry 21, n.º 20 (2011): 7452. http://dx.doi.org/10.1039/c1jm10443h.
Texto completoXu, C. S., Y. C. Liu, R. Mu, C. Muntele y D. Ila. "Structural and optical properties of GaAs quantum dots formed in SiO2 matrix". Materials Letters 61, n.º 14-15 (junio de 2007): 2875–78. http://dx.doi.org/10.1016/j.matlet.2007.01.073.
Texto completoSlunjski, R., P. Dubček, N. Radić, S. Bernstorff y B. Pivac. "Structure and transport properties of Ge quantum dots in a SiO2 matrix". Journal of Physics D: Applied Physics 48, n.º 23 (14 de mayo de 2015): 235301. http://dx.doi.org/10.1088/0022-3727/48/23/235301.
Texto completoTesis sobre el tema "Quantum Dots - SiOx Matrix"
Little, William Robert. "Structure of, and light emission in, matrix-free Germanium quantum dots". Thesis, Queen Mary, University of London, 2014. http://qmro.qmul.ac.uk/xmlui/handle/123456789/8954.
Texto completoOkrepka, G. M. "Influence of the matrix on the photoluminescence propeties of quantum dots". Thesis, БДМУ, 2021. http://dspace.bsmu.edu.ua:8080/xmlui/handle/123456789/18527.
Texto completoHussain, Laiq§. "Characterization of InSb quantum dots in InAs matrix grown by molecular beam epitaxy for infrared photodetectors". Thesis, KTH, Skolan för informations- och kommunikationsteknik (ICT), 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-52901.
Texto completoZell, Elizabeth T. "A Novel Synthesis and Characterization of Copper Chloride Nanocrystals in a Sodium Chloride Matrix". Youngstown State University / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=ysu1387281922.
Texto completoNdangili, Peter Munyao. "Electrochemical and optical modulation of selenide and telluride ternary alloy quantum dots genosensors". Thesis, University of the Western Cape, 2012. http://hdl.handle.net/11394/4025.
Texto completoElectroanalytical and optical properties of nanoscale materials are very important for biosensing applications as well as for understanding the unique one-dimensional carrier transport mechanism. One-dimensional semiconductor nanomaterials such as semiconductor quantum dots are extremely attractive for designing high-density protein arrays. Because of their high surfaceto-volume ratio, electro-catalytic activity as well as good biocompatibility and novel electron transport properties make them highly attractive materials for ultra-sensitive detection of biological macromolecules via bio-electronic or bio-optic devices. A genosensor or gene based biosensor is an analytical device that employs immobilized deoxyribonucleic acid (DNA) probes as the recognition element and measures specific binding processes such as the formation of deoxyribonucleic acid-deoxyribonucleic acid (DNA-DNA), deoxyribonucleic acid- ribonucleic acid (DNA-RNA) hybrids, or the interactions between proteins or ligand molecules with DNA at the sensor surface.In this thesis, I present four binary and two ternary-electrochemically and optically modulated selenide and telluride quantum dots, all synthesised at room temperature in aqueous media. Cationic gallium (Ga3+) synthesized in form of hydrated gallium perchlorate salt[Ga(ClO4)3.6H2O] from the reaction of hot perchloric acid and gallium metal was used to tailor the optical and electrochemical properties of the selenide and telluride quantum dots. The synthesized cationic gallium also allowed successful synthesis of novel water soluble and biocompatible capped gallium selenide nanocrystals and gallium telluride quantum dots. Cyclic voltammetric studies inferred that presence of gallium in a ZnSe-3MPA quantum dot lattice improved its conductivity and significantly increased the electron transfer rate in ZnTe-3MPA.Utraviolet-visible (UV-vis) studies showed that incorporation of gallium into a ZnSe-3MPA lattice resulted in a blue shift in the absorption edge of ZnSe-3MPA from 350 nm to 325 nm accompanied by decrease in particle size. An amphiphilic bifunctional molecule, 3-Mercaptopropionic acid (3-MPA) was used as a capping agent for all quantum dots. It was found that 3-MPA fully solubilised the quantum dots, made them stable, biocompatible, non agglomerated and improved their electron transfer kinetics when immobilized on gold electrodes.Retention of the capping agent on the quantum dot surface was confirmed by Fourier transform infrared spectroscopy (FTIR) which gave scissor type bending vibrations of C-H groups in the region 1365 cm-1 to 1475 cm-1, stretching vibrations of C=O at 1640 cm-1, symmetric and asymmetric vibrations of the C-H in the region 2850 cm-1 to 3000 cm-1 as well as stretching vibrations of –O-H group at 3435 cm-1. The particle size and level of non-agglomeration of the quantum dots was studied by high resolution transmission electron microscopy (HRTEM). The optical properties of the quantum dots were studied using UV-vis and fluorescence spectroscopic techniques.Quantum dot/nanocrystal modified gold electrodes were prepared by immersing thoroughly cleaned electrodes in the quantum dot/nanocrystal solution, in dark conditions for specific periods of time. The electrochemical properties of the modified electrodes were characterized by cyclic voltammetry (CV), square wave voltammetry (SWV), electrochemical impedance and spectroscopy (EIS). Six sensing platforms were then prepared using quantum dot/nanocrystal, one of which was used for detection of dopamine while the rest were used for detection of a DNA sequence related to 5-enolpyruvylshikimate-3-phosphate synthase, a common vector gene in glyphosate resistant transgenic plants.The first sensing platform, consisting of ZnSe-3MPA modified gold electrode (Au|ZnSe-3MPA) gave rise to a novel method of detecting dopamine in presence of excess uric acid and ascorbic acid. Using a potential window of 0 to 400 mV, the ZnSe-3MPA masked the potential for oxidation of uric and ascorbic acids, allowing detection of dopamine with a detection limit of 2.43 x 10-10 M (for SWV) and 5.65 x 10-10 M (for steady state amperometry), all in presence of excess uric acid (>6500 higher) and ascorbic acid (>16,000 times higher). The detection limit obtained in this sensor was much lower than the concentration of dopamine in human blood(1.31 x 10-9 M), a property that makes this sensor a potential device for detection of levels of dopamine in human blood.The other sensing platforms were prepared by bioconjugation of amine-terminated 20 base oligonucleotide probe DNA (NH2-5′-CCC ACC GGT CCT TCA TGT TC-3′) onto quantum dot modified electrodes with the aid of 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide hydrochloride (EDC) and N-hydroxysuccinimide (NHS). The prepared DNA electrodes were electrostatically hybridized with different sequences which included 5′-GAA CAT GAA GGA CCG GTG GG-3′ (complementary target), 5′-CATAGTTGCAGCTGCCACTG-3′ (non complementary target) and 5′-GATCATGAAGCACCGGAGGG-3′ (3-base mismatched target).The hybridization events were monitored using differential pulse voltammetry (DPV) and SWV by monitoring the guanine oxidation signal or using EIS by monitoring changes in the charge transfer resistance. The quantum dot genosensors were characterized by low detection limits (in the nanomolar range), long linear range (40 - 150 nM) and were able to discriminate among complementary, non-complementary and 3-base mismatched target sequences.
Liyanage, Geethika Kaushalya. "Infrared Emitting PbS Nanocrystals through Matrix Encapsulation". Bowling Green State University / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1403953924.
Texto completoSala, Elisa Maddalena [Verfasser], Dieter [Akademischer Betreuer] Bimberg, Xavier [Gutachter] Wallart y Dieter [Gutachter] Bimberg. "Growth and characterization of antimony-based quantum dots in GaP matrix for nanomemories / Elisa Maddalena Sala ; Gutachter: Xavier Wallart, Dieter Bimberg ; Betreuer: Dieter Bimberg". Berlin : Technische Universität Berlin, 2018. http://d-nb.info/1161007008/34.
Texto completoShiman, Dmitriy I., Vladimir Sayevich, Christian Meerbach, Pavel A. Nikishau, Irina V. Vasilenko, Nikolai Gaponik, Sergei V. Kostjuk y Vladimir Lesnyak. "Robust Polymer Matrix Based on Isobutylene (Co)polymers for Efficient Encapsulation of Colloidal Semiconductor Nanocrystals". American Chemical Association, 2019. https://tud.qucosa.de/id/qucosa%3A74322.
Texto completoBaronnier, Justine. "Encapsulation de nanocristaux II-VI dans une matrice semiconductrice de pérovskite hybride d’halogénure de plomb en vue de la création d’un dispositif de contrôle du clignotement". Thesis, Lyon, 2019. http://www.theses.fr/2019LYSE1297.
Texto completoTo construct a device for controlling the blinking of nanocrystals, it was necessary to create a solid-state active material that can be integrated in such an apparatus. To this end, we have encapsulated cadmium-based quantum dots (QDs) in a crystalline matrix of a hybrid lead-bromide perovskite. This manuscript describes all the steps that have been undertaken to achieve the creation of this new composite. We have developed a synthesis of QDs that are resistant to encapsulation in an ionic matrix by means of an organic-inorganic ligand exchange that allowed us to integrate nanocrystals into the matrix while conserving their luminescence properties. We were thus able to document efficient encapsulation and a coupling between the QDs and the matrix. These two characteristics are favorable for using this composite in a control device which ultimately aims at optically following the luminescence of the BQs and applying an electric field to extract and evacuate the excess charges responsible for the nonemissive state. The successful completion of this step will enable us in the future to study the phenomenon of blinking and, more importantly, to construct a stable on-demand single-photon source
Oliveira, Elenilda Josefa de. "Transporte quântico decoerente em sistemas mesoscópicos". Universidade Federal de Sergipe, 2015. https://ri.ufs.br/handle/riufs/5363.
Texto completoThe scientific advances we have experienced in recent decades have enabled us to produce systems in the mesoscopic scale. These systems have become very useful as research tools in various areas of science. In mesoscopic physics the ondulatory characteristic of electrons is more evident than in classical physics and the electron conduction process is better represented by the wave function that describes it. Examples of application of mesoscopic systems are quantum dots which are open cavities where electrons are limited to flow through. Thus, the objective of this work is to study the effects of decoherence in the transport of electrons in two systems: i) quantum dot with a fictitious guide and ii) quantum dot with stub, where we take into account ondulatory properties of electrons. The formalism that we use is the scattering matrix, which relates the incoming and outgoing amplitudes in the scattering of waves coming in and out of the scattering region. Since the studied systems are chaotic, the scattering matrices can be treated as random. These matrices were generated by computational simulation and then the conductance values were computed. The conductance distribution was obtained by means of probabilistic analysis.
Os avanços científicos que temos experimentado nas últimas décadas proporcionaram a construção de sistemas em escala mesoscópica. Esses sistemas tornaram-se muito úteis como ferramentas de investigação em diversas áreas da ciência. Na física mesoscópica a característica ondulatória dos elétrons é mais evidente do que na física clássica e o processo de condução dos elétrons é melhor representado pela função de onda que os descreve. Exemplos da aplicação de sistemas mesoscópicos são os pontos quânticos que são cavidades abertas por onde os elétrons são limitados a fluirem. Dessa forma, o objetivo deste trabalho é estudar os efeitos da decoerência no transporte de elétrons em dois sistemas: i) ponto quântico com guia fictício e ii) ponto quântico com estube, onde levamos em consideração as propriedades ondulatórias dos elétrons. O formalismo que utilizamos é o da matriz de espalhamento, a qual relaciona as amplitudes das ondas que entram e saem da região de espalhamento. Como os sistemas estudados são caóticos, as matrizes de espalhamento podem ser tratadas como aleatórias. Geramos estas matrizes por meio de simulação computacional e delas extraímos a condutância do sistema. A distribuição da condutância foi obtida por meio de uma análise probabilística.
Libros sobre el tema "Quantum Dots - SiOx Matrix"
Towe, E. y D. Pal. Intersublevel quantum-dot infrared photodetectors. Editado por A. V. Narlikar y Y. Y. Fu. Oxford University Press, 2017. http://dx.doi.org/10.1093/oxfordhb/9780199533060.013.7.
Texto completoFyodorov, Yan y Dmitry Savin. Condensed matter physics. Editado por Gernot Akemann, Jinho Baik y Philippe Di Francesco. Oxford University Press, 2018. http://dx.doi.org/10.1093/oxfordhb/9780198744191.013.35.
Texto completoCapítulos de libros sobre el tema "Quantum Dots - SiOx Matrix"
Leitsmann, R. y F. Bechstedt. "Ab-initio Characterization of Electronic Properties of PbTe Quantum Dots Embedded in a CdTe Matrix". En High Performance Computing in Science and Engineering '10, 135–47. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-15748-6_10.
Texto completoRacec, P. N., E. R. Racec y H. Neidhardt. "R-matrix Formalism for Electron Scattering in Two Dimensions with Applications to Nanostructures with Quantum Dots". En Engineering Materials, 149–74. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-12070-1_7.
Texto completoFortunati, I., S. Gardin, F. Todescato, R. Signorini, R. Bozio, J. J. Jasieniak, A. Martucci et al. "One- and Two-Photon Pumped DFB Laser Based on Semiconductor Quantum Dots Embedded in a Sol-Gel Matrix". En Biophotonics: Spectroscopy, Imaging, Sensing, and Manipulation, 415–16. Dordrecht: Springer Netherlands, 2010. http://dx.doi.org/10.1007/978-90-481-9977-8_44.
Texto completoHeidarzadeh, Hamid, Ghassem Rostami, Mahboubeh Dolatyari y Ali Rostami. "Comparison the Effect of Size and Inter-dot Spaces in Different Matrix Embedded Silicon Quantum Dots for Photovoltaic Applications". En 2nd International Congress on Energy Efficiency and Energy Related Materials (ENEFM2014), 77–83. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-16901-9_10.
Texto completoBailes, Julian y Mikhail Soloviev. "The Application of Semiconductor Quantum Dots for Enhancing Peptide Desorption, Improving Peak Resolution and Sensitivity of Detection in Matrix-Assisted Laser Desorption/Ionization (MALDI) Mass Spectrometry". En Nanoparticles in Biology and Medicine, 211–17. Totowa, NJ: Humana Press, 2012. http://dx.doi.org/10.1007/978-1-61779-953-2_16.
Texto completoVerma, A., P. K. Bhatnagar, P. C. Mathur, S. Nagpal, P. K. Pandey y J. Kumar. "Development of Low Size Dispersion, High Volume Fraction and Strong Quantum Confined CdSxSe1-x Quantum Dots Embedded in Borosilicate Glass Matrix and Study of their Optical Properties". En Semiconductor Photonics: Nano-Structured Materials and Devices, 161–63. Stafa: Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-471-5.161.
Texto completoSingh, Babita, Sonali Singhal y Tanzeel Ahmed. "Cosmetic and Medical Applications of Fungal Nanotechnology". En Mycology: Current and Future Developments, 238–58. BENTHAM SCIENCE PUBLISHERS, 2022. http://dx.doi.org/10.2174/9789815051360122030013.
Texto completoIgor, Vurgaftman. "Superlattice and Quantum-Well Band Structure". En Bands and Photons in III-V Semiconductor Quantum Structures, 303–42. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780198767275.003.0010.
Texto completoMaxwell Andrews, Aaron, Matthias Schramböck y Gottfried Strasser. "InAs Quantum Dots on AlxGa1−xAs Surfaces and in an AlxGa1−xAs Matrix". En Handbook of Self Assembled Semiconductor Nanostructures for Novel Devices in Photonics and Electronics, 62–83. Elsevier, 2008. http://dx.doi.org/10.1016/b978-0-08-046325-4.00002-5.
Texto completoAntolini, F. y L. Ortolani. "CdTe QUANTUM DOTS NANOCOMPOSITE FILMS OBTAINED BY THERMAL DECOMPOSITION OF PRECURSORS EMBEDDED IN POLYMERIC MATRIX". En Physics, Chemistry and Application of Nanostructures, 349–52. WORLD SCIENTIFIC, 2017. http://dx.doi.org/10.1142/9789813224537_0080.
Texto completoActas de conferencias sobre el tema "Quantum Dots - SiOx Matrix"
Panigrahi, Shrabani, Durga Basak, Alka B. Garg, R. Mittal y R. Mukhopadhyay. "Emission Properties from ZnO Quantum Dots Dispersed in SiO[sub 2] Matrix". En SOLID STATE PHYSICS, PROCEEDINGS OF THE 55TH DAE SOLID STATE PHYSICS SYMPOSIUM 2010. AIP, 2011. http://dx.doi.org/10.1063/1.3606317.
Texto completoTsang, W. M., V. Stolojan, B. J. Sealy, S. P. Wong y S. R. P. Silva. "Electron Field Emission Properties of Co Quantum Dots in SiO2 Matrix Synthesised by Ion Implantation". En 2006 19th International Vacuum Nanoelectronics Conference. IEEE, 2006. http://dx.doi.org/10.1109/ivnc.2006.335345.
Texto completoLiang, Yu, Yan Jia, Yichun Liu, Yuxue Liu, De Z. Shen, Yuling Sun y Zhongmin Su. "Mechanism of formation and photoluminescence of Si quantum dots embedded in amorphous SiO 2 matrix". En 4th International Conference on Thin Film Physics and Applications, editado por Junhao Chu, Pulin Liu y Yong Chang. SPIE, 2000. http://dx.doi.org/10.1117/12.408423.
Texto completoDi, Dawei, Ivan Perez-Wurfl, Gavin Conibeer y Martin A. Green. "Fabrication and characterisation of silicon quantum dots in SiO 2 /Si 3 N 4 hybrid matrix". En SPIE Solar Energy + Technology, editado por Loucas Tsakalakos. SPIE, 2010. http://dx.doi.org/10.1117/12.859715.
Texto completoKaplan, L., Y. Alhassid, Pawel Danielewicz, Piotr Piecuch y Vladimir Zelevinsky. "Interaction matrix element fluctuations in quantum dots". En NUCLEI AND MESOSCOPIC PHYSICS: Workshop on Nuclei and Mesoscopic Physic - WNMP 2007. AIP, 2008. http://dx.doi.org/10.1063/1.2915599.
Texto completoKar, Debjit y Debajyoti Das. "Silicon quantum dots in SiOx dielectrics as energy selective contacts in hot carrier solar cells". En NANOFORUM 2014. AIP Publishing LLC, 2015. http://dx.doi.org/10.1063/1.4917926.
Texto completoLai, Bo-Han, Chih-Hsien Cheng y Gong-Ru Lin. "Influence of the thickness variation of the SiOx layer on the Si Quantum Dots based MOSLED". En Asia Communications and Photonics Conference and Exhibition. Washington, D.C.: OSA, 2010. http://dx.doi.org/10.1364/acp.2010.798703.
Texto completoLai, Bo-Han, Chih-Hsien Cheng y Gong-Ru Lin. "Influence of the thickness variation of the SiOx layer on the Si quantum dots based MOSLED". En 2010 Asia Communications and Photonics Conference and Exhibition (ACP 2010). IEEE, 2010. http://dx.doi.org/10.1109/acp.2010.5682837.
Texto completoZhao, Xudong, Wenlong Ma y Xianghua 未. Wang. "Optical properties of CsPbBr3 quantum dots in PMMA matrix". En International Conference on Optoelectronic Information and Functional Materials (OIFM 2023), editado por Yabo Fu y Kolla Bhanu Prakash. SPIE, 2023. http://dx.doi.org/10.1117/12.2686941.
Texto completoMoiseev, K. D., M. P. Mikhailova, Ya A. Parkhomenko, E. V. Gushchina, S. S. Kizhaev, E. V. Ivanov, N. A. Bert y Yu P. Yakovlev. "InSb quantum dots and quantum rings in a narrow-gap InAsSbP matrix". En SPIE OPTO: Integrated Optoelectronic Devices, editado por Kurt G. Eyink, Frank Szmulowicz y Diana L. Huffaker. SPIE, 2009. http://dx.doi.org/10.1117/12.809312.
Texto completoInformes sobre el tema "Quantum Dots - SiOx Matrix"
Oktyabrsky, Serge. Performance of Scintillation Detectors Based on Quantum Dots in a Semiconductor Matrix (Final Technical Report). Office of Scientific and Technical Information (OSTI), diciembre de 2020. http://dx.doi.org/10.2172/1756058.
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